In this day and age of podcasting, someone who wants to speak about tech are about a dime a dozen. However, this half dozen talk all about it. Sure sometimes what they talk about is too low level for some, I think everyone can figure out what they are saying after a few more sentences.
Remember Podcast Alley is one of the places that you can find all sorts of podcasts. Oh, and Pod safe network is an ok source for music that won't have you worrying if someone going to bust into your house with automatic weapons.